Is a rational function one-one or onto

1. A.
   $f(x)$ is one-one in $\lbrack 1,\infty)$ but not in $( - \infty,\infty)$
2. B.
   $f(x)$ is one-one in $( - \infty,\infty)$
3. C.
   $f(x)$ is many-one in $( - \infty, - 1)$
4. D.
   $f(x)$ is many-one in $(1,\infty)$

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1. A.
   both one-one and onto.
2. B.
   onto but not one-one.
3. C.
   neither one-one nor onto.
4. D.
   one-one but not onto.

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1. A.
   One-one but not onto
2. B.
   Onto but not one-one
3. C.
   Both one-one and onto
4. D.
   Neither one-one nor onto

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1. A.
   Both Statement I and Statement II are false.
2. B.
   Both Statement I and Statement II are true.
3. C.
   Statement I is false but Statement II is true .
4. D.
   Statement I is true but Statement II is false.

Tap an option to check your answer.

1. A.
   both one-one and onto
2. B.
   one-one but not onto
3. C.
   onto but not one-one
4. D.
   neither one-one nor onto

Tap an option to check your answer.